CEL: CODE P0496 keeps coming up every 100miles!!
01-28-2011, 12:32 AM
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CEL: CODE P0496 keeps coming up every 100miles!!
2009 gmc sierra 1500 i have cold air intake,headers,oil catch can from the pcv valve
just that port no other then returend to the intake
i tryed returning the hose dirictly to the intake and this didnt help
i read arround when i googled the code that GM had a recal on that code i dont know if it was true or not
just that port no other then returend to the intake
i tryed returning the hose dirictly to the intake and this didnt help
i read arround when i googled the code that GM had a recal on that code i dont know if it was true or not
01-28-2011, 06:19 AM
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it means the fuel tank pressure sensor has detected vacuum in the tank when there shouldn't be any. This means either the purge solenoid is leaking when closed, or the tank pressure sensor itself is at fault and giving a false reading to the PCM , check ur gas cap as well if its tightly sealed or not
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